422: Difference between revisions
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Image:Tek 422 front.jpg | Image:Tek 422 front.jpg | ||
Image:Tek 422 side.jpg | Image:Tek 422 side.jpg | ||
Image:Tek 422 trigger.png|Trigger circuit | |||
Image:Tek 422 sweep.png|Sweep circuit | |||
Image:Tek 422 vertamp.png|Vertical amplifier | |||
Image:Tek 422 inputamp.png|Input amplifier | |||
</gallery> | </gallery> | ||
Revision as of 18:17, 11 December 2011
The Tektronix Type 422 is a 15 MHz portable dual-trace oscilloscope. It was available with an optional battery back for operation without mains power. Early versions use an 8056 Nuvistor tube for the front-end cathode follower. Later versions use a FET front end. The 422 uses tunnel diodes from triggering. The post-deflection acceleration voltage is 4900 Volts.
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Trigger circuit
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Sweep circuit
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Vertical amplifier
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Input amplifier
